London: map of median de-trended PM2.5
Deciles of median de-trended PM2.5:
(-8.4, -2.4)
(-2.4, -2.0)
(-2.0, -1.8)
(-1.8, -1.6)
(-1.6, -1.4)
(-1.4, -1.2)
(-1.2, -0.8)
(-0.8, -0.3)
(-0.3, 1.0)
(1.0, 56.1)